Surf Forecasts:
Jaconé surf forecast from 10 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 6AM (local time) - 8ft (2.5m), 8s period, ESE swell with cross-offshore winds.
- Most powerful swell: Tuesday 15 Sep, 6AM (local time) - 8ft (2.5m), 8s period, ESE swell with 1,057 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 12AM (local time) - 4.5ft (1.4m), 7s period with ENE swell.
Best Forecast Surf Conditions for Jaconé this week:
The surf forecast for Jaconé over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 12AM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 0.9m and 7s. Another secondary swell of 0.8m and 10s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Jaconé in the next 16 days are 2.5m 8s and forecast to arrive on Tuesday (Sep 15) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Monday (Sep 14) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 10th Sep) | 4.5ft (1.4m) 7s |
| Best Surf | 6AM (Tue 15th Sep) | 8ft (2.5m) 8s |
| Most Powerful | 6AM (Tue 15th Sep) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Jaconé over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get into it for Jaconé. We’ve got a solid run of surf coming up, but you gotta pick your moments.
The pattern starts off a bit average on Wednesday the 9th with a weak 3ft SSE swell and a light cross-on wind. Not worth paddling out for. But Thursday the 10th is where it turns on. We’ve got a clean 4ft S swell with a 12-second period and an offshore NNE breeze. That’s clean, lined-up, and the water’s sitting at 73°, which is about normal for this time of year. The combined energy is moderate (735). This is a good session.
Friday the 11th morning is the standout of the first week. A 4ft S swell, 14-second period, and a clean offshore NE wind at 15 km/h. The energy is strong (855) and the waves will have some real push. This is the best on offer for the early part of the outlook. The afternoon stays clean too with a cross-off breeze.
Saturday the 12th gets messy. The wind swings onshore and the swell drops. Sunday the 13th has a bigger 5ft SSW swell, but it’s short-period (9 seconds) and the wind is cross-shore, making it a bit of a chop fest. Monday the 14th morning has a moderate offshore wind, but the swell is short-period again.
Now, looking ahead. Thursday the 17th is a big one, but only for the experienced crew. We’re looking at a 10ft S swell with a 13-second period and a clean cross-off wind. The combined energy is massive (2786). This is a powerful groundswell. For beach breaks, a long-period swell this size can break straight, but the wind is clean. This is only for experts. The afternoon drops to 8ft, still huge and powerful.
Friday the 18th is another good day with a 6ft S swell and a solid offshore breeze. Then Saturday the 19th afternoon is a real treat. It’s glassy, with a 7ft E swell. The wind is dead calm. That’s about as clean as it gets.
After that, the run fades. Sunday the 20th still has a clean 4ft ESE swell, but the energy is low. Then from Monday the 21st through to Tuesday the 23rd morning, it goes quiet with onshore winds and weak swell. A gap of a couple days with nothing worth chasing.
The final highlight comes on Thursday the 24th morning. A 7ft SE swell, 8-second period, and a light offshore wind. The energy is strong (898) and the waves will be punchy and clean. Worth a look.
Rusty.
Short Range ForecastHeavy rain (total 33mm), heaviest during Thu night. Warm (max 27°C on Fri night, min 21°C on Wed night). Winds increasing (calm on Thu afternoon, fresh winds from the W by Fri night). | Days 5-7 Weather SummaryHeavy rain (total 68mm), heaviest during Mon afternoon. Warm (max 22°C on Tue morning, min 18°C on Sun night). Winds decreasing (fresh winds from the ESE on Sun night, light winds from the NW by Mon night). | ||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | ENE 7 | S 12 | S 12 | S 16 | S 14 | S 13 | S 12 | SSW 12 | S 11 | S 11 | S 10 | SSW 9 | SSE 8 | S 9 | E 7 | SE 8 | ESE 8 | SE 8 | S 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 203 | 347 | 430 | 402 | 682 | 506 | 299 | 183 | 116 | 59 | 296 | 506 | 460 | 210 | 239 | 523 | 567 | 281 | 199 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | on | cross-off | cross-off | off | cross | on | on | cross | cross-off | cross-off | off | cross-off | cross | cross-off | on | on |
High Tide | 1:34AM1.03m | 2:41PM1.03m | 2:06AM1.09m | 2:59PM1.00m | 2:38AM1.11m | 3:15PM0.97m | 3:11AM1.10m | 3:31PM0.94m | 3:44AM1.06m | 3:49PM0.92m | 4:19AM0.99m | 4:10PM0.88m | |||||||
Low Tide | 8:00AM-0.05m | 8:14PM0.26m | 8:38AM-0.03m | 8:46PM0.21m | 9:13AM0.02m | 9:18PM0.17m | 9:47AM0.10m | 9:50PM0.15m | 10:21AM0.19m | 10:25PM0.15m | 10:56AM0.29m | 11:03PM0.17m | |||||||
 |  |  |  |  | | | |  |  | |  |  | |  | |  | | | |
 | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — |
 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — |
mm | 10 | — | — | 21 | — | — | 1 | — | 1 | 2 | — | 4 | 7 | — | 23 | 25 | 7 | — | 3 |
Temp °C | 22 | 25 | 26 | 22 | 25 | 26 | 27 | 25 | 24 | 20 | 20 | 19 | 18 | 20 | 19 | 19 | 22 | 22 | 20 |
Feels °C | 24 | 28 | 29 | 24 | 27 | 28 | 29 | 26 | 25 | 19 | 19 | 19 | 14 | 17 | 21 | 21 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | E 7 | S 12 | S 12 | S 12 | S 14 | S 13 | S 12 | SSW 12 | S 11 | SSW 5 | S 10 | SSW 9 | SSE 8 | S 9 | S 8 | SE 8 | ESE 8 | SE 8 | ESE 8 |
| kJ | 78 | 347 | 430 | 368 | 682 | 506 | 299 | 183 | 116 | 54 | 296 | 506 | 460 | 210 | 177 | 523 | 567 | 281 | 143 |
Swell 2 Height (m) Direction Period (s) | S 10 | E 7 | E 7 | S 16 | E 8 | E 8 | E 8 | E 8 | E 8 | S 11 | SW 8 | E 8 | S 14 | S 13 | SSW 11 | S 12 | S 11 | S 10 | S 11 |
| kJ | 116 | 65 | 53 | 402 | 55 | 58 | 57 | 46 | 32 | 59 | 78 | 37 | 4 | 29 | 42 | 139 | 151 | 96 | 199 |
Swell 3 Height (m) Direction Period (s) | S 13 | SE 13 | SE 13 | E 8 | ESE 13 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | E 8 | E 9 | — | — | S 16 | S 14 | SSW 10 | — | S 12 | — |
| kJ | 167 | 7 | 7 | 55 | 16 | 14 | 13 | 12 | 12 | 22 | 39 | — | — | 5 | 36 | 10 | — | 47 | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | — | — | — | ENE 5 | — | ENE 8 | W 2 | WSW 4 | SSW 5 | SSW 8 | — | E 8 | E 6 | E 7 | — | — | — | SW 4 |
| kJ | 203 | — | — | — | 35 | — | 263 | 1 | 31 | 46 | 237 | — | 33 | 178 | 239 | — | — | — | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 10 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 7 | 467 | 177 | 53 | 10 | 323 | 88 | 0 | 15 | 7 | 58 |
Best forecast wave conditions in Rio de Janeiro | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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Information about the Jaconé Surf forecast
The above surf forecast table for Jaconé provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jaconé can be found by selecting the local surf guide option on the grey menu. Our Jaconé surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Jaconé) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Jaconé may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Jacone is 14 km (9 miles) from the city of Saquarema. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Saquarema. Saquarema has rooms for a wide range of budgets as well as car hire and transport links.
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